Home / 346,626.20-520,085.10-188,967.80

Finding the Fourth Proportional to 346,626.20, 520,085.10 and 188,967.80

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Solution

The fourth proportional to 346,626.20, 520,085.10 and 188,967.80 is: 283,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,626.20 : 520,085.10 = 188,967.80 : x
  2. Step 2: Convert to fraction form
    346,626.20/520,085.10 = 188,967.80/x
  3. Step 3: Cross multiply
    346,626.20x = 520,085.10 × 188,967.80
  4. Step 4: Simplify right side
    346,626.20x = 98,279,337,159.78
  5. Step 5: Solve for x
    x = 98,279,337,159.78/346,626.20
  6. Step 6: Final answer
    x = 283,531.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.